Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem eram os árbitros quando Paul Medhurst (C) ganhou a Medalha Simpson?
 ###Tabelas: CREATE TABLE newspapers (newspapers_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Frequency VARCHAR, Language VARCHAR, City VARCHAR, Website VARCHAR) CREATE TABLE west_australian_football_league_2001_–_ (west_australian_football_league_2001_–__id AUTO_INCREMENT PRIMARY KEY, Season INT, Premiers VARCHAR, Runners Up VARCHAR, Score VARCHAR, Captain VARCHAR, Coach VARCHAR, Simpson Medal VARCHAR, Venue VARCHAR, Attendance INT, Umpires VARCHAR) CREATE TABLE season_by_season_results (season_by_season_results_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Manager VARCHAR, Record [a ] VARCHAR, Win % INT, Post-season record [e ] VARCHAR, Post-season win % VARCHAR, MLB affiliate VARCHAR) CREATE TABLE 1._fc_nuremberg_versus_spvgg_fürth (1._fc_nuremberg_versus_spvgg_fürth_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, League VARCHAR, Teams VARCHAR, Home VARCHAR, Away VARCHAR) CREATE TABLE nhl_draft (nhl_draft_id AUTO_INCREMENT PRIMARY KEY, Round INT, Pick INT, Player VARCHAR, Nationality VARCHAR, College/Junior/Club team VARCHAR)  
SELECT Umpires FROM west_australian_football_league_2001_–_ WHERE Simpson Medal = Paul Medhurst (C)